Makes sense for Apple to spend some resources investigating potential large & new technologies, even if they don't produce a product. The field will shift when

Makes sense for Apple to spend some resources investigating potential large & new technologies, even if they don't produce a product. The field will shift when AR and self-driving cars and [insert intriguing vaporware here] arrive, so Apple should take a good hard look at the impact, if not the product potential, before they're too far behind the curve.